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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 14306950 SIUSLAW RIVER NEAR ALMA, OR
Lane County, Oregon
Hydrologic Unit Code 171002060308
Latitude  43°55'16.1", Longitude 123°36'41.69" NAD83
Drainage area 157.0  square miles
Gage datum 376.0 feet above NAVD88
Output formats
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
62025-07-07 14:07:30PDTYesGCMusgs34.410.22 GoodDebrisLightunkn
52025-07-07 12:38:55PDTYesGCMusgs37.610.22 FairDebrisLightunkn
42025-05-20 12:08:10PDTYesGCMusgs95.511.31 PoorClearunkn
32025-03-18 10:13:36PDTYesGCMusgs435021.67-0.070.30PoorClearunkn
22025-02-24 08:58:06PSTYesGCMusgs270018.34 FairClearunkn
12025-01-14 17:30:30PSTYesGCMusgs45213.48 PoorClearunkn